...…………….. do not exist in the physical database,Composite AttributeDerived AttributesComponent AttributeMulti-value Attribute
Question
...…………….. do not exist in the physical database,Composite AttributeDerived AttributesComponent AttributeMulti-value Attribute
Solution
Derived Attributes do not exist in the physical database. These are the attributes that do not contain physical existence and their values are calculated from other attributes present in the database. For example, an attribute like "age" might be derived from the "date of birth".
Similar Questions
Attributes that are not present in the whole DBMS but can be formed using other attributes areMarks : 1Negative Marks : 0Answer hereComposite AttributeDerived AttributeMulti valued attributeCan not be formed
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